@font-face {
  font-family: "Source Han Sans";
  src: url("Fonts/SourceHanSansSC-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Serif";
  src: url("Fonts/SourceHanSerifSC-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Cormorant SC";
  src: url("Fonts/CormorantSC-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Novecento";
  src: url("Fonts/Novecentosanswide-Book.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --black: #050505;
  --ink: #090909;
  --white: #f1f0ec;
  --muted: rgba(241, 240, 236, .48);
  --line: rgba(241, 240, 236, .18);
  --faint: rgba(241, 240, 236, .07);
  --red: #d42329;
  --progress: 0%;
  --mx: 50%;
  --my: 50%;
}

* { box-sizing: border-box; }

html {
  background: var(--black);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 280px;
  overflow-x: clip;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(255,255,255,.035), transparent 30rem),
    linear-gradient(180deg, #030303 0%, #080808 42%, #050505 100%);
  font-family: "Source Han Sans", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body.intro-lock { overflow: hidden; }

::selection { color: #fff; background: rgba(212, 35, 41, .75); }

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, video { display: block; max-width: 100%; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: .18;
  mix-blend-mode: soft-light;
  background-image:
    repeating-radial-gradient(circle at 13% 23%, transparent 0, rgba(255,255,255,.12) .55px, transparent 1px, transparent 4px),
    repeating-linear-gradient(93deg, transparent 0 2px, rgba(255,255,255,.045) 3px, transparent 4px 7px);
  background-size: 7px 7px, 11px 11px;
}

.cursor-light {
  position: fixed;
  z-index: 0;
  width: 42rem;
  aspect-ratio: 1;
  left: var(--mx);
  top: var(--my);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,.035), transparent 66%);
  transition: opacity .5s ease;
}

.intro {
  position: relative;
  z-index: 2;
  height: 100svh;
  min-height: 34rem;
  overflow: hidden;
  background: #000;
  border-bottom: 1px solid var(--line);
}

.intro video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.intro-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0,0,0,.65), transparent 22%, transparent 70%, rgba(0,0,0,.75)),
    radial-gradient(circle, transparent 40%, rgba(0,0,0,.48) 100%);
}

.intro-chrome {
  position: absolute;
  inset: clamp(1.25rem, 3.2vw, 3.5rem);
  font-family: "Novecento", sans-serif;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
}

.studio-mark {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.studio-mark .rule { width: clamp(2rem, 7vw, 7rem); height: 1px; background: currentColor; }
.frame-index { position: absolute; top: 0; right: 0; display: flex; align-items: center; gap: .7rem; }
.frame-index i { width: 2.7rem; height: 1px; background: currentColor; }
.intro-status { position: absolute; left: 0; bottom: 0; display: flex; align-items: center; gap: .75rem; }
.status-line { width: .5rem; height: .5rem; border: 1px solid currentColor; transform: rotate(45deg); }
.intro-complete .status-line { background: currentColor; }

.scroll-cue {
  position: absolute;
  right: clamp(1.25rem, 3.2vw, 3.5rem);
  bottom: clamp(1.25rem, 3.2vw, 3.5rem);
  display: flex;
  align-items: center;
  gap: .85rem;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 1.2s ease .25s, transform 1.2s cubic-bezier(.16,1,.3,1) .25s;
  color: rgba(255,255,255,.62);
  font: .68rem/1 "Novecento", sans-serif;
  letter-spacing: .18em;
}

.intro-complete .scroll-cue { opacity: 1; transform: none; }
.scroll-cue i { position: relative; display: block; width: 4.5rem; height: 1px; overflow: hidden; background: rgba(255,255,255,.2); }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: #fff; animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { 0% { transform: translateX(-100%); } 50%, 100% { transform: translateX(100%); } }

main { position: relative; z-index: 1; }
.section-shell { position: relative; padding-inline: clamp(1.25rem, 5vw, 6rem); }

.section-coordinate {
  position: absolute;
  top: 2rem;
  left: clamp(1.25rem, 5vw, 6rem);
  right: clamp(1.25rem, 5vw, 6rem);
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,.34);
  font: .68rem/1.2 "Novecento", sans-serif;
  letter-spacing: .13em;
}

.music {
  padding-block: clamp(2.8rem, 5vw, 4.8rem);
  background: #050505;
}

.music-panel {
  width: min(76rem, 100%);
  margin-inline: auto;
  padding-block: clamp(1.4rem, 2vw, 1.9rem);
  display: grid;
  grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  border-block: 1px solid var(--line);
}
.music-panel h1 {
  margin: 0;
  text-align: left;
  font: 400 clamp(1rem, 1.45vw, 1.3rem)/1.5 "Source Han Serif", serif;
  letter-spacing: .09em;
}

.player-row { display: grid; grid-template-columns: 3.5rem 1fr 3.5rem; align-items: end; gap: clamp(1rem, 2.5vw, 2.25rem); }
.control-button {
  width: 3.5rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 0;
  color: var(--white);
  background: rgba(0,0,0,.12);
  cursor: pointer;
  transition: color .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.control-button:hover, .control-button:focus-visible { color: #050505; background: #fff; border-color: #fff; box-shadow: 0 0 2rem rgba(255,255,255,.15); outline: none; }
.control-button svg { width: 1.15rem; fill: currentColor; stroke: currentColor; stroke-width: 1.4; stroke-linecap: square; }
.icon-pause { display: none; }
.is-playing .icon-play { display: none; }
.is-playing .icon-pause { display: block; }
.download-button { text-decoration: none; }
.download-button svg { fill: none; }

.time-readout { display: flex; justify-content: space-between; margin-bottom: .75rem; color: rgba(255,255,255,.5); font: .68rem/1 "Novecento", sans-serif; letter-spacing: .12em; }
.timeline { position: relative; height: 2rem; display: flex; align-items: center; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: rgba(255,255,255,.24); }
.timeline-fill, .timeline-glow { position: absolute; left: 0; width: var(--progress); height: 1px; pointer-events: none; }
.timeline-fill { z-index: 1; background: #fff; }
.timeline-glow { z-index: 0; transform-origin: right; background: linear-gradient(90deg, transparent 18%, rgba(255,255,255,.35) 65%, #fff); filter: blur(5px); box-shadow: 0 0 1.5rem rgba(255,255,255,.72); }
.timeline-head { position: absolute; z-index: 2; left: var(--progress); width: .38rem; height: .38rem; transform: translateX(-50%) rotate(45deg); background: #fff; box-shadow: 0 0 .8rem rgba(255,255,255,.9); pointer-events: none; }
.timeline input { position: absolute; z-index: 3; inset: 0; width: 100%; margin: 0; opacity: 0; cursor: ew-resize; }

.invitation { position: relative; height: 155svh; border-block: 1px solid var(--line); background: #050505; }
.invitation-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 38rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(6rem, 12vh, 9rem) 0 clamp(2rem, 5vh, 4rem);
  isolation: isolate;
}
.invitation-stage::before, .invitation-stage::after { content: ""; position: absolute; z-index: -2; background: rgba(255,255,255,.07); }
.invitation-stage::before { left: 50%; top: 0; width: 1px; height: 100%; }
.invitation-stage::after { top: 50%; left: 0; width: 100%; height: 1px; }

.invitation-meta { position: absolute; top: clamp(1.5rem, 4vw, 3.5rem); left: clamp(1.25rem, 5vw, 6rem); right: clamp(1.25rem, 5vw, 6rem); display: flex; justify-content: space-between; color: rgba(255,255,255,.35); font: .65rem/1 "Novecento", sans-serif; letter-spacing: .16em; }
.countdown-block { position: relative; z-index: 5; flex: 0 0 auto; width: max-content; margin-bottom: clamp(2rem, 6vh, 5rem); text-align: center; }
.countdown-block p { margin: 0 0 .75rem; font-family: "Source Han Serif", serif; font-size: clamp(1rem, 2vw, 1.35rem); letter-spacing: .24em; }
.countdown-block time { font: 400 clamp(2.1rem, 5vw, 5rem)/1 "Novecento", sans-serif; letter-spacing: .08em; font-variant-numeric: tabular-nums; }

.invitation-space { position: relative; flex: 0 1 auto; width: min(88vw, max(20rem, calc((100svh - 17rem) * 2.4)), 90rem); perspective: 1400px; transform-style: preserve-3d; }
.invitation-card { --rx: 0deg; --ry: 0deg; --float-y: 0px; position: relative; z-index: 2; margin: 0; transform-style: preserve-3d; will-change: transform; transform: translate3d(0, var(--float-y), 0) rotateX(var(--rx)) rotateY(var(--ry)); filter: drop-shadow(0 2.2rem 2.5rem rgba(0,0,0,.74)); }
.invitation-card img { width: 100%; border: 1px solid rgba(255,255,255,.16); }
.ground-shadow { position: absolute; z-index: -1; left: 50%; bottom: -2.8rem; width: 72%; height: 4rem; transform: translateX(-50%) rotateX(78deg); background: rgba(0,0,0,.82); filter: blur(1.2rem); }

.axis-mark { position: absolute; top: 50%; display: flex; align-items: center; gap: .75rem; color: rgba(255,255,255,.25); font: .6rem/1 "Novecento", sans-serif; letter-spacing: .12em; }
.axis-mark i { display: block; width: clamp(1.5rem, 5vw, 5rem); height: 1px; background: currentColor; }
.axis-left { left: 0; transform: rotate(-90deg) translateY(100%); transform-origin: left bottom; }
.axis-right { right: 0; transform: rotate(90deg) translateY(100%); transform-origin: right bottom; }

.qa { padding-top: clamp(8rem, 15vw, 14rem); padding-bottom: clamp(9rem, 18vw, 18rem); background: linear-gradient(180deg, #080808, #040404); }
.qa-header { width: min(82rem, 100%); margin: 0 auto clamp(7rem, 14vw, 13rem); display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 2rem; color: rgba(255,255,255,.38); font: .65rem/1 "Novecento", sans-serif; letter-spacing: .16em; }
.qa-header > span:last-child { text-align: right; }
.qa-title { color: var(--white); font: 400 clamp(5rem, 15vw, 13rem)/.65 "Cormorant SC", serif; letter-spacing: -.08em; }
.qa-title sup { color: var(--red); font-size: .24em; vertical-align: top; position: relative; top: .15em; left: .08em; }

.qa-list { width: min(70rem, 100%); margin: 0 auto; }
.qa-item { display: grid; grid-template-columns: minmax(15rem, .82fr) minmax(20rem, 1.18fr); gap: clamp(2.5rem, 7vw, 8rem); padding: clamp(4rem, 8vw, 7.5rem) 0; border-top: 1px solid var(--line); }
.qa-item:last-of-type { border-bottom: 1px solid var(--line); }
.qa-item h2, .qa-item p { position: relative; margin: 0; }
.qa-item h2 { padding-left: 2.2rem; font: 400 clamp(1.25rem, 2vw, 1.8rem)/1.65 "Source Han Serif", serif; letter-spacing: .035em; }
.qa-item p { padding-left: 2.2rem; color: rgba(255,255,255,.67); font-size: clamp(1rem, 1.3vw, 1.1rem); line-height: 2.05; text-align: justify; letter-spacing: .025em; }
.qa-item h2 span, .qa-item p span { position: absolute; left: 0; top: .28em; color: rgba(255,255,255,.28); font: .85rem/1 "Novecento", sans-serif; }
.qa-item h2 span { color: var(--white); }
.qa-answer-stack { display: grid; gap: 1.7rem; }
.qa-answer-stack .qa-emphasis { color: var(--red); }
.begin-line { margin: clamp(8rem, 17vw, 17rem) 0 0; text-align: center; font: 400 clamp(1.45rem, 3vw, 2.7rem)/1.6 "Source Han Serif", serif; letter-spacing: .15em; }

.ending { min-height: 150svh; padding-top: clamp(8rem, 15vw, 14rem); padding-bottom: 3rem; display: flex; flex-direction: column; align-items: center; overflow: hidden; background: #050505; }
.ending-grid { position: absolute; inset: 0; pointer-events: none; opacity: .34; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 5rem 5rem; mask-image: radial-gradient(circle at 50% 45%, #000, transparent 74%); }
.ending-copy { position: relative; z-index: 2; width: min(60rem, 100%); text-align: center; }
.ending-copy span { color: rgba(255,255,255,.34); font: .66rem/1 "Novecento", sans-serif; letter-spacing: .16em; }
.ending-copy h2 { margin: 2rem 0; font: 400 clamp(2.1rem, 6vw, 6rem)/1.25 "Source Han Serif", serif; letter-spacing: .16em; }
.ending-copy i { display: block; width: 1px; height: 7rem; margin: 0 auto 3rem; background: linear-gradient(#fff, transparent); }
.cover-frame { position: relative; z-index: 1; width: min(58rem, 76vw); margin: 0; padding: clamp(.5rem, 1.4vw, 1rem); background: #eceae4; box-shadow: 0 3.5rem 6rem rgba(0,0,0,.82), 0 0 0 1px rgba(255,255,255,.18); }
.cover-frame::before, .cover-frame::after { content: ""; position: absolute; pointer-events: none; }
.cover-frame::before { inset: -2rem; border: 1px solid rgba(255,255,255,.08); }
.cover-frame::after { left: 50%; top: -5rem; width: 1px; height: 3rem; background: rgba(255,255,255,.35); }
.cover-frame img { width: 100%; }
.site-footer { position: relative; width: 100%; margin-top: auto; padding-top: 8rem; display: flex; justify-content: space-between; color: rgba(255,255,255,.3); font: .62rem/1 "Novecento", sans-serif; letter-spacing: .16em; }

.reveal { opacity: 0; transform: translateY(4rem); transition: opacity 1.15s ease, transform 1.4s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.countdown-block.reveal.is-visible { transform: none; }

@media (max-width: 800px) {
  .intro-chrome { font-size: .58rem; }
  .studio-mark span:last-child, .frame-index i { display: none; }
  .section-coordinate span:last-child { display: none; }
  .music-panel { grid-template-columns: 1fr; gap: 1.25rem; }
  .music-panel h1 { letter-spacing: .08em; }
  .player-row { grid-template-columns: 3.25rem 1fr 3.25rem; gap: .75rem; }
  .control-button { width: 3.25rem; }
  .invitation { height: 135svh; }
  .invitation-space { width: min(94vw, max(18rem, calc((100svh - 14rem) * 2.4))); }
  .countdown-block { margin-bottom: clamp(1.5rem, 5vh, 3rem); }
  .countdown-block p { letter-spacing: .15em; }
  .countdown-block time { font-size: clamp(2.05rem, 11vw, 4rem); }
  .axis-mark { display: none; }
  .qa-header { grid-template-columns: 1fr auto; }
  .qa-header > span:last-child { display: none; }
  .qa-item { grid-template-columns: 1fr; gap: 2rem; }
  .qa-item h2, .qa-item p { padding-left: 1.7rem; }
  .qa-item p { line-height: 1.9; text-align: left; }
  .cover-frame { width: min(88vw, 38rem); }
}

@media (max-width: 480px) {
  .intro { min-height: 30rem; }
  .music-panel h1 { font-size: 1rem; }
  .player-row { grid-template-columns: 3rem minmax(0, 1fr) 3rem; }
  .control-button { width: 3rem; }
  .invitation-stage { min-height: 34rem; }
  .invitation-meta span:last-child { display: none; }
  .invitation-space { width: min(97vw, max(17rem, calc((100svh - 13rem) * 2.4))); }
  .countdown-block p { font-size: .94rem; }
  .qa-title { font-size: 5.8rem; }
  .qa-header { margin-bottom: 6rem; }
  .ending-copy h2 { font-size: clamp(1.9rem, 10vw, 3.2rem); letter-spacing: .09em; }
  .site-footer { padding-top: 6rem; }
  .site-footer span:last-child { display: none; }
}

@media (hover: none), (pointer: coarse) {
  .cursor-light { display: none; }
  .control-button:hover { color: var(--white); background: transparent; border-color: rgba(255,255,255,.42); box-shadow: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .countdown-block.reveal { transform: none; }
  .invitation-card { transform: none !important; }
}

/* V2 — orbital field notes. All marks are drawn in CSS, SVG or canvas;
   the original artwork, local typefaces and narrative remain the anchors. */
:root { --paper: #d3d0c5; --signal: #b8433c; --cold: #9bb4c2; }
.grain {
  opacity: .115;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.94' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23n)' opacity='.3' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}
.intro .intro-chrome, .intro .scroll-cue { z-index: 1; }
.memory-field { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; opacity: 0; transition: opacity 1.4s; }
.field-visible .memory-field { opacity: 1; }
.cursor-light { display: none; }
.chapter-nav { position: fixed; z-index: 20; right: 1.2rem; top: 50%; display: grid; gap: .4rem; transform: translateY(-50%); opacity: 0; visibility: hidden; transition: opacity .6s, visibility .6s; }
.intro-complete .chapter-nav { opacity: 1; visibility: visible; }
.chapter-nav::before { content: ''; position: absolute; top: 1.25rem; bottom: 1.25rem; right: 1.25rem; width: 1px; background: #ffffff16; pointer-events: none; }
.chapter-nav a { position: relative; width: 2.5rem; height: 2.5rem; display: grid; place-items: center; text-decoration: none; color: var(--paper); }
.chapter-nav i { width: 4px; height: 4px; background: #88847c; border-radius: 50%; transition: background .4s, box-shadow .4s; }
.chapter-nav [aria-current] i { background: #eee9dc; box-shadow: 0 0 0 5px #d3d0c515, 0 0 0 6px #d3d0c533; }
.chapter-nav span { position: absolute; right: 2.7rem; padding: .45rem .6rem; background: #090909e8; font: .65rem/1.4 "Source Han Sans", sans-serif; letter-spacing: .15em; white-space: nowrap; opacity: 0; transform: translateX(5px); transition: opacity .25s, transform .25s; pointer-events: none; }
.chapter-nav a:hover span, .chapter-nav a:focus-visible span { opacity: 1; transform: none; }
.chapter-nav a:focus-visible { outline: 1px solid var(--paper); outline-offset: 0; }

/* Resonance: a compact listening interlude, with a slowly turning signal. */
.music { padding-top: 2.5rem; padding-bottom: 4.5rem; background: radial-gradient(ellipse at 16% 90%, #b1c4d008, transparent 52%), #070808; }
.music-caption { width: min(76rem, 100%); margin: 0 auto 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: #aaa79d; font: .61rem/1.6 "Novecento", "Source Han Serif", serif; letter-spacing: .16em; }
.music-panel { grid-template-columns: minmax(18rem, .85fr) minmax(0, 1.4fr); gap: 3rem; border-top-color: #d3d0c531; border-bottom-color: #d3d0c519; padding-block: 1.7rem; }
.track-identity { display: flex; align-items: center; gap: 1.5rem; }
.resonance-mark { position: relative; flex: 0 0 3.5rem; height: 3.5rem; }
.resonance-mark i { position: absolute; inset: 0; border: 1px solid #d3d0c559; border-radius: 50%; transform: rotate(-30deg) scaleY(.52); }
.resonance-mark i:nth-child(2) { transform: rotate(30deg) scaleY(.52); border-color: #d3d0c52e; }
.resonance-mark i:nth-child(3) { transform: rotate(90deg) scaleY(.52); border-color: #d3d0c52e; }
.resonance-mark b { position: absolute; inset: calc(50% - 2px); background: var(--paper); border-radius: 50%; }
.is-playing .resonance-mark { animation: resonance 18s linear infinite; }
@keyframes resonance { to { transform: rotate(360deg); } }
.control-button { border-color: #d3d0c545; border-radius: 50%; }
.download-button { border-color: transparent; }
.timeline:focus-within { outline: 1px solid #d3d0c5a0; outline-offset: 7px; }

/* The invitation keeps its existing tilt and sticky scene, inside a quiet orbit. */
.invitation { border-block-color: #d3d0c51f; background: #070808; }
.invitation-stage { background: radial-gradient(ellipse at 50% 43%, #a0b9c00a, transparent 62%); }
.invitation-stage::before { background: linear-gradient(transparent, #d3d0c51a 25%, #d3d0c51a 75%, transparent); }
.invitation-stage::after { background: linear-gradient(90deg, transparent, #d3d0c512 25%, #d3d0c512 75%, transparent); }
.invitation-orbit { position: absolute; z-index: -1; width: min(114vw, 92rem); height: 94%; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(var(--orbit-turn, 0deg)); pointer-events: none; }
.invitation-orbit svg { width: 100%; height: 100%; overflow: visible; stroke: #c1c6be; stroke-width: .65; opacity: .23; }
.invitation-orbit ellipse:nth-child(2) { stroke-dasharray: 2 11; opacity: .6; }
.invitation-orbit circle { fill: #d3d0c5; stroke: none; }
.invitation-meta { color: #aaa79a; }
.countdown-block p { color: #d0cdc3; }
.countdown-block time { font-size: clamp(2.1rem, 4.5vw, 4.4rem); }
.countdown-block::before { content: ''; display: block; width: 5px; height: 5px; background: var(--signal); transform: rotate(45deg); margin: 0 auto 1.4rem; box-shadow: 0 0 16px #b8433c44; }
.invitation-space { width: min(84vw, max(20rem, calc((100svh - 21rem) * 2.4)), 80rem); }
.invitation-card img { border-color: #d3d0c530; }
.invitation-footnote { position: absolute; left: 5%; right: 5%; bottom: 4.5rem; display: flex; align-items: end; justify-content: space-between; pointer-events: none; color: #99978c; font: .6rem/1.9 "Novecento", "Source Han Serif", serif; letter-spacing: .2em; }
.invitation-footnote > span:last-child { margin-left: auto; text-align: right; }
.orbit-glyph { position: absolute; left: 50%; color: var(--signal); }

/* The archive is a continuous annotated manuscript, with generous uneven rhythm. */
.qa { isolation: isolate; overflow: clip; padding-top: clamp(7rem, 12vw, 12rem); background: radial-gradient(ellipse at 0 14%, #687f820c, transparent 32%), linear-gradient(#090a0a, #060707 80%, #060606); }
.story-threads { position: absolute; top: 1.5rem; right: 0; width: 68%; height: 31rem; z-index: -1; overflow: hidden; pointer-events: none; }
.story-threads svg { width: 100%; height: 100%; stroke: #bec4bc; stroke-width: .7; opacity: .27; }
.story-threads path:nth-child(2) { stroke-dasharray: 3 7; opacity: .6; }
.story-threads path:nth-child(3) { opacity: .4; }
.story-threads path:nth-child(4) { opacity: .7; }
.story-threads circle, .story-threads .thread-cross { stroke: var(--signal); }
.qa-header { position: relative; width: min(76rem, 100%); grid-template-columns: 1fr 1fr; align-items: end; gap: 3rem; margin-bottom: clamp(6rem, 11vw, 10rem); }
.qa-header > span:first-child { grid-column: 1 / -1; color: #aaa79d; }
.qa-title { grid-column: 1; grid-row: 2; font-size: clamp(7rem, 16vw, 15rem); line-height: .78; letter-spacing: -.055em; }
.qa-header > span:last-child { align-self: end; color: #aaa79d; line-height: 2; }
.qa-list { position: relative; width: min(76rem, 100%); counter-reset: entry; padding-left: 5.5rem; }
.archive-thread { position: absolute; left: 1.65rem; top: 0; bottom: 0; width: 1px; background: linear-gradient(#d3d0c529, #d3d0c529 80%, transparent); }
.archive-thread i { display: block; width: 1px; height: 100%; transform: scaleY(var(--archive-progress, 0)); transform-origin: top; background: linear-gradient(#b8433c22, #b8433c99); }
.qa-item { position: relative; counter-increment: entry; border-top-color: #d3d0c51e; grid-template-columns: minmax(13rem, .78fr) minmax(0, 1.22fr); column-gap: clamp(2rem, 5vw, 6rem); padding: clamp(3.5rem, 6vw, 6.5rem) 0 clamp(5rem, 9vw, 9rem); }
.qa-item::before { content: counter(entry, decimal-leading-zero); position: absolute; top: -.64em; left: -5.5rem; width: 3.3rem; padding-block: .2rem; text-align: center; background: #090a0a; color: #a8aaa0; font: 400 2.6rem/1 "Cormorant SC", serif; letter-spacing: -.05em; }
.qa-item::after { content: ''; position: absolute; right: 0; top: -3px; width: 5px; height: 5px; border: 1px solid #b1b1a566; background: #090a0a; transform: rotate(45deg); }
.qa-item:nth-of-type(even) { margin-left: 4%; grid-template-columns: minmax(13rem, .75fr) minmax(0, 1.25fr); }
.qa-item:nth-of-type(even)::before { left: calc(-5.5rem - (100% / .96 * .04)); }
.qa-item h2 { font-size: clamp(1.25rem, 1.85vw, 1.72rem); line-height: 1.8; color: #e6e2d7; }
.qa-item h2 span { color: #b2b0a4; font-size: .67rem; top: .6em; }
.qa-item p { color: #b6b6ae; font-size: clamp(.98rem, 1.18vw, 1.06rem); line-height: 2.2; }
.qa-item p span { color: #838980; font-size: .67rem; top: .65em; }
.qa-item:nth-of-type(4) { padding-bottom: clamp(5rem, 8vw, 8rem); }
.qa-answer-stack { align-content: start; gap: 1.7rem; }
.qa-answer-stack .qa-emphasis { color: #db6259; font-family: "Source Han Serif", serif; letter-spacing: .1em; }
.qa-item:last-of-type { border-bottom-color: #d3d0c51e; }
.begin-line { position: relative; margin-left: -5.5rem; padding-top: 3rem; }
.begin-line::before { content: ''; display: block; width: 1px; height: 6rem; margin: -6rem auto 3rem; background: linear-gradient(transparent, #b3b5ab77); }
.begin-line::after { content: ''; display: block; width: 5px; height: 5px; transform: rotate(45deg); margin: 2.5rem auto 0; background: var(--signal); }

/* A last orbit around the original cover — the page leaves room for the work. */
.ending { isolation: isolate; background: radial-gradient(ellipse at 50% 48%, #8babb212, transparent 65%), #060606; padding-top: clamp(6rem, 10vw, 10rem); }
.ending-grid { opacity: .16; background-size: 8rem 8rem; }
.ending-orbits { position: absolute; z-index: 0; top: 30rem; left: 50%; width: 120%; height: 55%; transform: translateX(-50%); pointer-events: none; }
.ending-orbits i { position: absolute; inset: 0; border: 1px solid #b6c3c421; border-radius: 50%; transform: rotate(-28deg); }
.ending-orbits i:nth-child(2) { inset: 4%; transform: rotate(-31deg); border-style: dashed; border-color: #b6c3c415; }
.ending-orbits i:nth-child(3) { inset: -5%; transform: rotate(-24deg); border-color: #b6c3c40f; }
.ending-copy span { color: #9c9e94; }
.ending-copy h2 { font-size: clamp(2.1rem, 5.3vw, 5rem); }
.cover-frame { width: min(42rem, 70vw); padding: clamp(.35rem, .7vw, .65rem); background: #d6d6cb; }
.cover-frame::before { inset: -1.5rem; border-color: #b6c3c421; }
.site-footer { color: #92958a; padding-bottom: 3rem; }

@media (min-width: 1700px) { .chapter-nav { right: 2rem; } }
@media (max-width: 1000px) {
  .music-panel { grid-template-columns: 1fr; gap: 1.5rem; }
  .track-identity { gap: 1.2rem; }
  .resonance-mark { flex-basis: 2.6rem; height: 2.6rem; }
  .qa-list { padding-left: 4rem; }
  .archive-thread { left: 1rem; }
  .qa-item::before { left: -4rem; width: 2rem; font-size: 2rem; }
  .qa-item:nth-of-type(even) { margin-left: 0; }
  .qa-item:nth-of-type(even)::before { left: -4rem; }
  .begin-line { margin-left: -4rem; }
}
@media (max-width: 800px) {
  .chapter-nav { right: .1rem; gap: .25rem; }
  .chapter-nav a { width: 1.6rem; height: 2.5rem; }
  .chapter-nav::before { right: .8rem; }
  .chapter-nav span { right: 1.8rem; }
  .section-shell { padding-inline: 1.5rem 2.1rem; }
  .music { padding-block: 2rem 2.5rem; }
  .invitation-stage { min-height: 34rem; padding-top: 5rem; padding-bottom: 6rem; }
  .invitation-space { width: 91vw; }
  .invitation-orbit { width: 160vw; height: 80%; }
  .invitation-meta { right: 2.25rem; }
  .invitation-footnote { bottom: 4.25rem; right: 2.25rem; font-size: .52rem; }
  .invitation-footnote > span:last-child { max-width: 45%; }
  .countdown-block time { font-size: clamp(2.05rem, 9vw, 4rem); }
  .qa-header { gap: 2rem; margin-bottom: 6rem; }
  .qa-title { font-size: 8rem; }
  .story-threads { width: 90%; top: 2rem; right: -20%; height: 23rem; opacity: .75; }
  .qa-item, .qa-item:nth-of-type(even) { grid-template-columns: 1fr; row-gap: 1.8rem; padding-block: 3rem 5rem; }
  .qa-item h2 { font-size: 1.3rem; }
  .qa-item p { font-size: 1rem; line-height: 2.05; }
  .cover-frame { width: min(76vw, 38rem); }
  .ending-orbits { top: 24rem; width: 190%; }
}
@media (max-width: 480px) {
  .chapter-nav { display: none; }
  .qa-list { padding-left: 1.8rem; }
  .archive-thread { left: -.6rem; }
  .qa-item::before, .qa-item:nth-of-type(even)::before { left: -3.1rem; font-size: 1.6rem; width: 2.5rem; }
  .qa-item h2, .qa-item p { padding-left: 1.25rem; }
  .begin-line { margin-left: -1.8rem; font-size: 1.35rem; letter-spacing: .1em; }
  .invitation-footnote { left: 1.25rem; letter-spacing: .1em; }
  .invitation-footnote > span:last-child { display: none; }
  .countdown-block { margin-bottom: 2.5rem; }
  .invitation-meta span:last-child { display: inline; font-size: .5rem; }
  .site-footer { font-size: .55rem; }
}
@media (max-height: 650px) and (min-width: 801px) {
  .invitation-stage { min-height: 30rem; padding: 4rem 0; }
  .countdown-block { margin-bottom: 1.4rem; }
  .countdown-block::before { display: none; }
  .invitation-space { width: min(66vw, 38rem); }
  .invitation-footnote { bottom: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .memory-field { transition: none; }
  .invitation-orbit { transform: translate(-50%, -50%); }
}